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  1. #1
    In beaurocratic limbo urbanknight's Avatar
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    Why a Shimano chain?

    I've been searching and reading up on this running a Shimano wheelset and 9s cassette on a Campy 9s drivetrain thing. Every thread I found says you need a Shimano compatible chain as well. Why is this? I basically want to be able to switch between a Shimano wheel and a Campy wheel at my leisure, so why won't my Campy chain work with the Shimano cassette? Hopefully, the answer is it will work, because then I can get a $40 Ultegra 28H hub and $30 105 cassette. If I have to stick with Campy, the best I can find in a 28H is a record hub for $160! That negates my motive for a budget but lightweight wheel build.

  2. #2
    DEADBEEF khuon's Avatar
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    It might actually work but I'm doubting it. Shimano 9-speed sprocket thickness is 1.78mm and Campy sprockets are 1.75mm. You can use a chain made with wider sprocket clearance on a thinner sprocket but it's possible that there simply isn't enough clearance to go the other way around.

    You probably already know this but you might also have a bit rougher indexed shifting when using a Shimano cassette with Campy indexing unless you've respaced it. However, I know of people running unmodified Shimano 9-speed cassettes on their Campy 9-speed drivetrains (with Campy indexed shifting) without problems.
    1999 K2 OzM 2001 Aegis Aro Svelte OCP Club Member
    "Be liberal in what you accept, and conservative in what you send." -- Jon Postel, RFC1122

  3. #3
    In beaurocratic limbo urbanknight's Avatar
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    Thanks, and yeah I know the shifting might be a little rough. I probably should just bite the bullet and buy a Record or Chorus hub. Right now the best price I can get is by buying an assembled 650c wheel for $150 stripping it for the hub. The I'll have to put the rim (and maybe the spokes, if I ave the patience to unscrew them and not cut them loose like I usually do) on ebay with a .01 starting bid just to get rid of it.

  4. #4
    feros ferio John E's Avatar
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    Use a Campag. chain with both cassettes?
    "Early to bed, early to rise. Work like hell, and advertise." -- George Stahlman
    Capo [dschaw'-poe]: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger, S/N 42624
    Peugeot: 1970 UO-8, S/N 0010468
    Bianchi: 1981 Campione d'Italia, S/N 1.M9914
    Schwinn: 1988 Project KOM-10, S/N F804069

  5. #5
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    I don't think that chain compatibility is the issue, its the cassette spacing. Just buy a conversion cassette. They are Ultegra plates with spacers made to work with Campy. I think the QBP catalog lists them.

  6. #6
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    Quote Originally Posted by Phil from VA
    I don't think that chain compatibility is the issue, its the cassette spacing. Just buy a conversion cassette. They are Ultegra plates with spacers made to work with Campy. I think the QBP catalog lists them.
    A conversion cassette will work but in may cost as much as rebuilding the wheel with a Campy compatible hub. And with the new hub you could run any Campy cassette you want.

    Al

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